20188974730

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{87778151}}^1$

素因数の和:87778181

約数の個数: 16

約数和(自身を含む): 37920161664

約数和(自身を除く): 17731186934

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 87778151, 175556302, 438890755, 877781510, 2018897473, 4037794946, 10094487365, 20188974730]

約数ペア:

[(1, 20188974730), (2, 10094487365), (5, 4037794946), (10, 2018897473), (23, 877781510), (46, 438890755), (115, 175556302), (230, 87778151)]